dcrat | 69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7

General

Target

69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
Size

828KB
MD5

c6b30f794dcf67851d13e3335ef57088
SHA1

e97b575fc270d97d1e2df38291fd44dc70ff95ab
SHA256

69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7
SHA512

28dc37c57408fa9e6e3a14a99d602e6c0f937e259f21eefd016424d03d40066e6b518c9b0bcbae8039c1691ce43ba8803c568ad69df163938e4ff2235c55188b
SSDEEP

12288:K5jHYVjmobNqsKDsSvjbHQVtVZJizDxRxhDsGALvbI6bnY6a2Xuk:1b4sKDZUZJuR/ALvbLnY8Xuk

Score

10^/10

dcrat infostealer rat

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat
Dcrat family
dcrat

Process spawned unexpected child process 21 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2172	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2820	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2060	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2756	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	180	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2304	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5108	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4336	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4188	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4032	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4280	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3792	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5020	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1256	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2580	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1452	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4912	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	312	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2940	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4940	1764	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1400	1764	schtasks.exe	83

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/4872-1-0x0000000000DF0000-0x0000000000EC6000-memory.dmp	dcrat
behavioral2/files/0x0007000000023cbf-11.dat	dcrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe

Executes dropped EXE 1 IoCs

pid	Process
112	spoolsv.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Windows Security\unsecapp.exe	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
File created	C:\Program Files\Windows Security\29c1c3cc0f7685	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\PrintDialog\microsoft.system.package.metadata\System.exe	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
File opened for modification	C:\Windows\PrintDialog\microsoft.system.package.metadata\System.exe	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
File created	C:\Windows\PrintDialog\microsoft.system.package.metadata\27d1bcfc3c54e0	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 21 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2820	schtasks.exe
2756	schtasks.exe
4188	schtasks.exe
4032	schtasks.exe
4280	schtasks.exe
2580	schtasks.exe
1452	schtasks.exe
312	schtasks.exe
4940	schtasks.exe
1400	schtasks.exe
2172	schtasks.exe
2304	schtasks.exe
5020	schtasks.exe
2060	schtasks.exe
180	schtasks.exe
5108	schtasks.exe
4336	schtasks.exe
3792	schtasks.exe
1256	schtasks.exe
4912	schtasks.exe
2940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4872	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
4872	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
4872	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
112	spoolsv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4872	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
Token: SeDebugPrivilege	112	spoolsv.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 112	4872	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe	105
PID 4872 wrote to memory of 112	4872	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe	105

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
"C:\Users\Admin\AppData\Local\Temp\69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4872
- C:\Users\Admin\PrintHood\spoolsv.exe
  "C:\Users\Admin\PrintHood\spoolsv.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:112

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Windows\PrintDialog\microsoft.system.package.metadata\System.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2172

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows\PrintDialog\microsoft.system.package.metadata\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2820

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Windows\PrintDialog\microsoft.system.package.metadata\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2060

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\PrintHood\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2756

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\Admin\PrintHood\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:180

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\PrintHood\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2304

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\Registry.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5108

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4336

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4188

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4032

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4280

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3792

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Security\unsecapp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5020

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files\Windows Security\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1256

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Security\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2580

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\services.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1452

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4912

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:312

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\Packages\Microsoft.549981C3F5F10_8wekyb3d8bbwe\S-1-5-21-940901362-3608833189-1915618603-1000\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2940

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\All Users\Packages\Microsoft.549981C3F5F10_8wekyb3d8bbwe\S-1-5-21-940901362-3608833189-1915618603-1000\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4940

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Packages\Microsoft.549981C3F5F10_8wekyb3d8bbwe\S-1-5-21-940901362-3608833189-1915618603-1000\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Windows Security\unsecapp.exe

Filesize
828KB

MD5
c6b30f794dcf67851d13e3335ef57088

SHA1
e97b575fc270d97d1e2df38291fd44dc70ff95ab

SHA256
69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7

SHA512
28dc37c57408fa9e6e3a14a99d602e6c0f937e259f21eefd016424d03d40066e6b518c9b0bcbae8039c1691ce43ba8803c568ad69df163938e4ff2235c55188b

Download Submit
memory/4872-0-0x00007FFD56C43000-0x00007FFD56C45000-memory.dmp

Filesize
8KB

Download
memory/4872-1-0x0000000000DF0000-0x0000000000EC6000-memory.dmp

Filesize
856KB

Download
memory/4872-4-0x00007FFD56C40000-0x00007FFD57701000-memory.dmp

Filesize
10.8MB

Download
memory/4872-29-0x00007FFD56C40000-0x00007FFD57701000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads